Increment number and apply it to tableView header - Swift - ios

Question

I have made a table view inside a view controller. The table view also has headers and when clicked on them you can open and close each section.
I want to add a different title in each sections header with the first one being 01, second being 02 and so on.
I have tried getting the count number of the section and making that the title. However, it just makes every single title the same number. I don't know how to increment up from 01 and apply it to each section?
Any help would be amazing, thank you in advance.
I have a two dimensional array which looks like this:
var twoDimensionalArray = [
shootDaysExpandableNames(isExpanded: true, shotNumber: ["Cell_001", "Cell_002", "Cell_015"]),
shootDaysExpandableNames(isExpanded: true, shotNumber: ["Cell_004", "Cell_006", "Cell_008", "Cell_010", "Cell_014"]),
shootDaysExpandableNames(isExpanded: true, shotNumber: ["Cell_0017", "Cell_009", "Cell_020", "Cell_024", "Cell_34"])
]
And then I have my viewForHeaderInSection that looks like this:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
let shotNumberInt = twoDimensionalArray[section].shotNumber.count
let shootDayInt = twoDimensionalArray.count
var shotNumberAmount = String(shotNumberInt) + (" Shots")
var shootDay = String(shootDayInt)
let line: UIView = {
let line = UIView()
line.backgroundColor = UIColor(red:0.63, green:0.63, blue:0.63, alpha:1.0)
line.translatesAutoresizingMaskIntoConstraints = false
return line
}()
let openClose: UILabel = {
let openClose = UILabel()
openClose.text = "Open"
openClose.textColor = UIColor(red:0.17, green:0.59, blue:0.30, alpha:1.0)
openClose.font = UIFont(name: "Avenir-Medium", size: 12.0)
openClose.translatesAutoresizingMaskIntoConstraints = false
return openClose
}()
let shootDayNumber: UILabel = {
let shootDayNumber = UILabel()
shootDayNumber.text = shootDay
shootDayNumber.textColor = UIColor(red:0.18, green:0.20, blue:0.21, alpha:1.0)
shootDayNumber.font = UIFont(name: "AvenirNext-Bold", size: 40.0)
shootDayNumber.translatesAutoresizingMaskIntoConstraints = false
return shootDayNumber
}()
let shootDate: UILabel = {
let shootDate = UILabel()
shootDate.text = shotNumberAmount
shootDate.textColor = UIColor(red:0.63, green:0.63, blue:0.63, alpha:1.0)
shootDate.font = UIFont(name: "Avenir-Medium", size: 12.0)
shootDate.translatesAutoresizingMaskIntoConstraints = false
return shootDate
}()
let button = UIButton(type: .system)
button.backgroundColor = UIColor.white
button.addSubview(line)
button.addSubview(shootDayNumber)
button.addSubview(openClose)
button.addSubview(shootDate)
button.addTarget(self, action: #selector(HandleOpenClose), for: .touchUpInside)
button.tag = section
// CONSTRAINTS
shootDayNumber.centerYAnchor.constraint(equalTo: button.centerYAnchor, constant: 0).isActive = true
shootDayNumber.leftAnchor.constraint(equalTo: button.leftAnchor, constant: 17).isActive = true
line.topAnchor.constraint(equalTo: button.topAnchor, constant: 10).isActive = true
line.leftAnchor.constraint(equalTo: shootDayNumber.rightAnchor, constant: 5).isActive = true
line.rightAnchor.constraint(equalTo: button.rightAnchor).isActive = true
line.heightAnchor.constraint(equalToConstant: 1).isActive = true
shootDate.bottomAnchor.constraint(equalTo: button.bottomAnchor, constant: -10).isActive = true
shootDate.leftAnchor.constraint(equalTo: shootDayNumber.rightAnchor, constant: 5).isActive = true
openClose.bottomAnchor.constraint(equalTo: button.bottomAnchor, constant: -10).isActive = true
openClose.rightAnchor.constraint(equalTo: button.rightAnchor, constant: -17).isActive = true
return button
}
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
let shotNumberInt = twoDimensionalArray[section].shotNumber.count
let shootDayInt = twoDimensionalArray.count
var shotNumberAmount = String(shotNumberInt) + (" Shots")
var shootDay = String(shootDayInt)
let line: UIView = {
let line = UIView()
line.backgroundColor = UIColor(red:0.63, green:0.63, blue:0.63, alpha:1.0)
line.translatesAutoresizingMaskIntoConstraints = false
return line
}()
let shootDayNumber: UILabel = {
let shootDayNumber = UILabel()
shootDayNumber.text = shootDay
shootDayNumber.textColor = UIColor(red:0.18, green:0.20, blue:0.21, alpha:1.0)
shootDayNumber.font = UIFont(name: "AvenirNext-Bold", size: 40.0)
shootDayNumber.translatesAutoresizingMaskIntoConstraints = false
return shootDayNumber
}()
let shotCount: UILabel = {
let shotCount = UILabel()
shotCount.text = shotNumberAmount
shotCount.textColor = UIColor(red:0.63, green:0.63, blue:0.63, alpha:1.0)
shotCount.font = UIFont(name: "Avenir-Medium", size: 12.0)
shotCount.translatesAutoresizingMaskIntoConstraints = false
return shotCount
}()
let button = UIButton(type: .system)
button.backgroundColor = UIColor.white
button.addSubview(line)
button.addSubview(shootDayNumber)
button.addSubview(shotCount)
button.addTarget(self, action: #selector(HandleOpenClose), for: .touchUpInside)
button.tag = section
// CONSTRAINTS
shootDayNumber.centerYAnchor.constraint(equalTo: button.centerYAnchor, constant: 0).isActive = true
shootDayNumber.leftAnchor.constraint(equalTo: button.leftAnchor, constant: 17).isActive = true
line.topAnchor.constraint(equalTo: button.topAnchor, constant: 10).isActive = true
line.leftAnchor.constraint(equalTo: shootDayNumber.rightAnchor, constant: 5).isActive = true
line.rightAnchor.constraint(equalTo: button.rightAnchor).isActive = true
line.heightAnchor.constraint(equalToConstant: 1).isActive = true
openClose.bottomAnchor.constraint(equalTo: button.bottomAnchor, constant: -10).isActive = true
openClose.rightAnchor.constraint(equalTo: button.rightAnchor, constant: -17).isActive = true
return button
FYI: I am also adding a few other UILabels, UIImages to each header (these will be the same in each header), but I couldn't find a way to add them to each header without creating and giving constraints inside the viewForHeaderInSection function. Not sure if this the right way to do it?

Answer 1

This line:
let shootDayInt = twoDimensionalArray.count
Is wrong. It should be
let shootDayInt = section + 1
(The count of elements in your twoDimensionalArray doesn't change, but the section number passed into your tableView(_:viewForHeaderInSection:) does change.)